# Functional vs Substantial - What's the difference?

functional | substantial |

## As adjectives the difference between functional and substantial

is that functional is in good working order while substantial is having to substance; actually existing; real; as, substantial life.

## As nouns the difference between functional and substantial

is that functional is (mathematics) a function that takes a function as its argument; more precisely: a function y''=''f''(''x'') whose argument ''x varies in a space of (real valued, complex valued) functions and whose value belongs to a monodimensional space an example: the definite integration of integrable real functions in a real interval while substantial is anything having substance; an essential part.

# functional

## English

• In good working order.
• Useful; serving a purpose, fulfilling a function
• That sculpture is not merely artistic, but also functional : it can be used as a hatrack.
• Only for functional purposes, notably in architecture
• ''A functional construction element generally must meet higher technical but lower aesthetical requirements
• (computing theory) Having semantics defined purely in terms of mathematical functions, without side-effects.
• (medicine) Of a disease, such that its symptoms cannot be referred to any appreciable lesion or change of structure; opposed to organic disease, in which the organ itself is affected.
• #### Synonyms

* functioning, working * utilitarian

#### Antonyms

* non-functional * dysfunctional * organic

#### Derived terms

(Derived terms) * function * functional analysis * functional analysis diagram * functional anatomy * functional application * functional bombing * functional constraint * functional decomposition * functional design * functional diagram * functional disorder * functional electrical stimulation * functional error recovery * functional failure * functional group * functional interleaving * functional programming * functional requirement * functional residual capacity * functional specifications * functional switching circuit * functional unit * functionality * functionally

### Noun

(en noun)
• (mathematics) A function that takes a function as its argument; More precisely: A function y''=''f''(''x'') whose argument ''x varies in a space of (real valued, complex valued) functions and whose value belongs to a monodimensional space. An example: the definite integration of integrable real functions in a real interval.
• (mathematics, functional analysis) A scalar-valued linear function on a vector space
• (computing) An object encapsulating a function pointer (or equivalent).
• # substantial

## English

• Having to substance; actually existing; real; as, substantial life.
• Not seeming or imaginary; not illusive; real; solid; true; veritable.
• * "to do some substantial good, is the compensation for much incidental imperfection" - Cardinal Newman, The Rise and Progress of Universities
• Corporeal; material; firm.
• Having good substance; strong; stout; solid; firm; as, substantial cloth; a substantial fence or wall.
• possessed of goods or an estate; moderately wealthy; responsible; as, a substantial freeholder.
• Large in size, quantity, or value; as, a substantial amount of money; vast
• Most important; essential.
• Ample or full.
• A substantial amount of people in this buliding
• Significantly great.
• #### Derived terms

* consubstantial * insubstantial * substantiality * substantially * substantialness

### Noun

(en noun)
• Anything having substance; an essential part.